configure: deal with git worktree checkouts, where .git is a file
fixes #3013
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fc01ece365
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2edae71570
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@ -29,7 +29,7 @@ AS_VAR_IF([_cv_gnu_make_command], [""], [AC_MSG_ERROR([the i3 Makefile.am requir
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AX_EXTEND_SRCDIR
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AX_EXTEND_SRCDIR
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AS_IF([test -d ${srcdir}/.git],
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AS_IF([test -e ${srcdir}/.git],
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[
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[
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VERSION="$(git -C ${srcdir} describe --tags --abbrev=0)"
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VERSION="$(git -C ${srcdir} describe --tags --abbrev=0)"
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I3_VERSION="$(git -C ${srcdir} describe --tags --always) ($(git -C ${srcdir} rev-list --format=%cd --date=short -n1 $(git rev-parse HEAD) | tail -n1), branch \\\"$(git -C ${srcdir} describe --tags --always --all | sed s:heads/::)\\\")"
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I3_VERSION="$(git -C ${srcdir} describe --tags --always) ($(git -C ${srcdir} rev-list --format=%cd --date=short -n1 $(git rev-parse HEAD) | tail -n1), branch \\\"$(git -C ${srcdir} describe --tags --always --all | sed s:heads/::)\\\")"
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